Bloodfire

You touch a creature and ignite a raging fire within its veins.  At the start of each of that Creatures turn it takes 1 point of fire damage. the first melee attack the creature makes each turn deals an additional 1d6 fire damage per point of damage taken.

At Higher Levels: When you cast this spell at 2nd level or higher the target takes an additional point of fire damage for each spell slot level above 1st.